Shiro has died temporarily but is told by a mysterious person called "Kanrinin" that he can do a "homestay" i.e. his soul to reside in another dead person's body so as to find the reason for the latter's death.
Shiro has died temporarily but is told by a mysterious person called "Kanrinin" that he can do a "homestay" i.e. his soul to reside in another dead person's body so as to find the reason for the latter's death.